./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3255218514
<...>
Warning: Permanently added '10.128.0.229' (ED25519) to the list of known hosts.
execve("./syz-executor3255218514", ["./syz-executor3255218514"], 0x7ffd052d8e60 /* 10 vars */) = 0
brk(NULL) = 0x55558ee50000
brk(0x55558ee50d00) = 0x55558ee50d00
arch_prctl(ARCH_SET_FS, 0x55558ee50380) = 0
set_tid_address(0x55558ee50650) = 5849
set_robust_list(0x55558ee50660, 24) = 0
rseq(0x55558ee50ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3255218514", 4096) = 28
getrandom("\x1c\xf6\x4a\x81\x8f\x46\xa4\x55", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55558ee50d00
brk(0x55558ee71d00) = 0x55558ee71d00
brk(0x55558ee72000) = 0x55558ee72000
mprotect(0x7f9cd4415000, 16384, PROT_READ) = 0
mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000
mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000
mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000
write(1, "executing program\n", 18executing program
) = 18
openat(AT_FDCWD, "/dev/comedi3", O_RDONLY|FASYNC) = 3
[ 78.769068][ T5849] comedi comedi3: c6xdigio: a I/O base address must be specified
[ 78.776953][ T5849] ------------[ cut here ]------------
[ 78.782528][ T5849] Unexpected driver unregister!
[ 78.787792][ T5849] WARNING: drivers/base/driver.c:273 at driver_unregister+0x94/0xb0, CPU#0: syz-executor325/5849
[ 78.798424][ T5849] Modules linked in:
[ 78.802420][ T5849] CPU: 0 UID: 0 PID: 5849 Comm: syz-executor325 Not tainted 6.16.0-rc4-next-20250704-syzkaller #0 PREEMPT(full)
[ 78.814370][ T5849] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 78.824525][ T5849] RIP: 0010:driver_unregister+0x94/0xb0
[ 78.830186][ T5849] Code: 9a 5a fc 48 89 df 5b 41 5e 41 5f e9 d6 55 ff ff e8 61 08 ba fb eb 05 e8 5a 08 ba fb 90 48 c7 c7 20 73 2b 8c e8 fd d6 7d fb 90 <0f> 0b 90 90 5b 41 5e 41 5f c3 cc cc cc cc cc cc cc cc cc cc cc cc
[ 78.849941][ T5849] RSP: 0018:ffffc90003fa7a38 EFLAGS: 00010246
[ 78.856112][ T5849] RAX: eb98fe56074ec300 RBX: ffffffff8f7f61c0 RCX: ffff888032b69e00
[ 78.864202][ T5849] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
[ 78.872228][ T5849] RBP: 0000000000000001 R08: ffffc90003fa7767 R09: 1ffff920007f4eec
[ 78.880292][ T5849] R10: dffffc0000000000 R11: fffff520007f4eed R12: ffff88814cf7b000
[ 78.888369][ T5849] R13: ffff88814cf7b120 R14: 0000000000000000 R15: dffffc0000000000
[ 78.896346][ T5849] FS: 000055558ee50380(0000) GS:ffff8881257af000(0000) knlGS:0000000000000000
[ 78.905322][ T5849] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 78.911959][ T5849] CR2: 00000000005fdeb8 CR3: 0000000071c9e000 CR4: 00000000003526f0
[ 78.920121][ T5849] Call Trace:
[ 78.923407][ T5849]
[ 78.926333][ T5849] comedi_device_detach+0x134/0x720
[ 78.931795][ T5849] ? comedi_request_region+0x11a/0x180
[ 78.937282][ T5849] comedi_device_attach+0x568/0x670
[ 78.942545][ T5849] comedi_unlocked_ioctl+0x686/0xf40
[ 78.947921][ T5849] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 78.953767][ T5849] ? _raw_spin_lock_irq+0xae/0xf0
[ 78.958880][ T5849] ? __pfx_ptrace_notify+0x10/0x10
[ 78.964014][ T5849] ? bpf_lsm_file_ioctl+0x9/0x20
[ 78.969018][ T5849] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 78.974836][ T5849] __se_sys_ioctl+0xf9/0x170
[ 78.979472][ T5849] do_syscall_64+0xfa/0x3b0
[ 78.983983][ T5849] ? lockdep_hardirqs_on+0x9c/0x150
[ 78.989260][ T5849] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 78.995342][ T5849] ? clear_bhb_loop+0x60/0xb0
[ 79.000064][ T5849] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 79.005968][ T5849] RIP: 0033:0x7f9cd43a23e9
[ 79.010494][ T5849] Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 79.030316][ T5849] RSP: 002b:00007fff2260b9a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 79.038787][ T5849] RAX: ffffffffffffffda RBX: 00007fff2260bb78 RCX: 00007f9cd43a23e9
[ 79.046769][ T5849] RDX: 0000200000000400 RSI: 0000000040946400 RDI: 0000000000000003
[ 79.054813][ T5849] RBP: 00007f9cd4415610 R08: 0000000000000000 R09: 00007fff2260bb78
[ 79.062817][ T5849] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 79.070899][ T5849] R13: 00007fff2260bb68 R14: 0000000000000001 R15: 0000000000000001
[ 79.078979][ T5849]
[ 79.082314][ T5849] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 79.089580][ T5849] CPU: 0 UID: 0 PID: 5849 Comm: syz-executor325 Not tainted 6.16.0-rc4-next-20250704-syzkaller #0 PREEMPT(full)
[ 79.101450][ T5849] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 79.111578][ T5849] Call Trace:
[ 79.114842][ T5849]
[ 79.117759][ T5849] dump_stack_lvl+0x99/0x250
[ 79.122361][ T5849] ? __asan_memcpy+0x40/0x70
[ 79.126936][ T5849] ? __pfx_dump_stack_lvl+0x10/0x10
[ 79.132198][ T5849] ? __pfx__printk+0x10/0x10
[ 79.136781][ T5849] panic+0x2db/0x790
[ 79.140662][ T5849] ? __pfx_panic+0x10/0x10
[ 79.145072][ T5849] __warn+0x334/0x4c0
[ 79.149034][ T5849] ? driver_unregister+0x94/0xb0
[ 79.153956][ T5849] ? driver_unregister+0x94/0xb0
[ 79.158876][ T5849] report_bug+0x2be/0x4f0
[ 79.163208][ T5849] ? driver_unregister+0x94/0xb0
[ 79.168133][ T5849] ? driver_unregister+0x94/0xb0
[ 79.173054][ T5849] ? driver_unregister+0x96/0xb0
[ 79.177975][ T5849] handle_bug+0x84/0x160
[ 79.182222][ T5849] exc_invalid_op+0x1a/0x50
[ 79.186736][ T5849] asm_exc_invalid_op+0x1a/0x20
[ 79.191659][ T5849] RIP: 0010:driver_unregister+0x94/0xb0
[ 79.197207][ T5849] Code: 9a 5a fc 48 89 df 5b 41 5e 41 5f e9 d6 55 ff ff e8 61 08 ba fb eb 05 e8 5a 08 ba fb 90 48 c7 c7 20 73 2b 8c e8 fd d6 7d fb 90 <0f> 0b 90 90 5b 41 5e 41 5f c3 cc cc cc cc cc cc cc cc cc cc cc cc
[ 79.217044][ T5849] RSP: 0018:ffffc90003fa7a38 EFLAGS: 00010246
[ 79.223101][ T5849] RAX: eb98fe56074ec300 RBX: ffffffff8f7f61c0 RCX: ffff888032b69e00
[ 79.231057][ T5849] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
[ 79.239011][ T5849] RBP: 0000000000000001 R08: ffffc90003fa7767 R09: 1ffff920007f4eec
[ 79.246963][ T5849] R10: dffffc0000000000 R11: fffff520007f4eed R12: ffff88814cf7b000
[ 79.254948][ T5849] R13: ffff88814cf7b120 R14: 0000000000000000 R15: dffffc0000000000
[ 79.262918][ T5849] ? driver_unregister+0x93/0xb0
[ 79.267845][ T5849] comedi_device_detach+0x134/0x720
[ 79.273115][ T5849] ? comedi_request_region+0x11a/0x180
[ 79.278572][ T5849] comedi_device_attach+0x568/0x670
[ 79.283757][ T5849] comedi_unlocked_ioctl+0x686/0xf40
[ 79.289044][ T5849] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 79.294932][ T5849] ? _raw_spin_lock_irq+0xae/0xf0
[ 79.300153][ T5849] ? __pfx_ptrace_notify+0x10/0x10
[ 79.305346][ T5849] ? bpf_lsm_file_ioctl+0x9/0x20
[ 79.310263][ T5849] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 79.316058][ T5849] __se_sys_ioctl+0xf9/0x170
[ 79.320640][ T5849] do_syscall_64+0xfa/0x3b0
[ 79.325271][ T5849] ? lockdep_hardirqs_on+0x9c/0x150
[ 79.330481][ T5849] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 79.336563][ T5849] ? clear_bhb_loop+0x60/0xb0
[ 79.341256][ T5849] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 79.347377][ T5849] RIP: 0033:0x7f9cd43a23e9
[ 79.351811][ T5849] Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 79.371590][ T5849] RSP: 002b:00007fff2260b9a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 79.379990][ T5849] RAX: ffffffffffffffda RBX: 00007fff2260bb78 RCX: 00007f9cd43a23e9
[ 79.387952][ T5849] RDX: 0000200000000400 RSI: 0000000040946400 RDI: 0000000000000003
[ 79.395926][ T5849] RBP: 00007f9cd4415610 R08: 0000000000000000 R09: 00007fff2260bb78
[ 79.403929][ T5849] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 79.411894][ T5849] R13: 00007fff2260bb68 R14: 0000000000000001 R15: 0000000000000001
[ 79.419874][ T5849]
[ 79.423202][ T5849] Kernel Offset: disabled
[ 79.427521][ T5849] Rebooting in 86400 seconds..